1.

Evaluate the following:(i) tan2 tan-115-π4(ii) tan12cos-153(iii) sin12cos-145(iv) sin2tan-123+costan-13

Answer» Evaluate the following:



(i)
tan2 tan-115-π4

(ii) tan12cos-153

(iii) sin12cos-145

(iv) sin2tan-123+costan-13


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